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When Pain is Useful? – A Neuroscience Approach
Procedia - Social and Behavioral Sciences
Normally, the amount of pain reflects the degree of injury. Acute pain decreases as the injury heals. If the pain remains after a normal period for the injury to heal, it becomes chronic pain. Acute pain is a symptom; chronic pain is a disease itself. Chronic pain leads to: depression, stress, weakened immune system, loss of appetite and weight, insomnia. It never has a useful biological function and impedes on the quality of life.doi:10.1016/j.sbspro.2014.03.333 fatcat:mj6yrz5kdzdgriws7hlhf6eexm